CN209200202U - Back panel connector - Google Patents

Abstract

The utility model discloses back panel connectors, it includes male end pedestal and female end pedestal, female end pedestal is plugged on male end pedestal, not deflective parity mode group is installed on female end pedestal, first cabling group and the second cabling group include differential pair and the return piece that differential pair side is arranged in, the second connecting portion of return piece offers through slot, several connection bridges are provided in through slot, and through slot is separated into several segments by connection bridge, male end pedestal includes shell, the bottom of shell is substrate, several pin slots are offered in substrate, pin slots are in column distribution, contact pin is mounted in pin slots, and differential pair and return piece are connected with corresponding contact pin, the bottom of substrate is recessed a groove body, end bluff piece is installed in groove body, through-hole is offered on the bluff piece of end, the plug end of contact pin passes through through-hole.The beneficial effects of the utility model are: it has the advantages that short return flow path, impedance matching, structural strength are high low with crosstalk.

Description

Back panel connector

Technical field

The utility model relates to electric connectors, especially back panel connector.

Background technique

Electric connector is other than it will meet general performance requirement, it is also necessary to which electric connector reaches contact well, and work can It leans on, requirement easy to maintain.

High speed connector is used for large-scale communication apparatus, very-high performance server and supercomputer, industrial computer, high-end Equipment etc. is stored, with communication, the fast development of electronics, internet industry, the market scale Fast Growth of high speed connector.

Utility model content

It is short, stable structure to provide a kind of return flow path for the shortcomings that the purpose of the utility model is to overcome the prior arts Back panel connector.

The purpose of this utility model is achieved through the following technical solutions: back panel connector, it includes male end pedestal and mother End group seat, female end pedestal are plugged on male end pedestal, and not deflective parity mode group, parity mode group packet are equipped on female end pedestal The odd module being mutually close to and even module are included, the second cabling group is installed in odd module, the first cabling group is installed in even module, First cabling group and the second cabling group include differential pair and the return piece that differential pair side is arranged in, the second connection of return piece Portion offers through slot, and several connection bridges are provided in through slot, and is connected to bridge and through slot is separated into several segments, and male end pedestal includes shell Body, the bottom of shell are substrate, and several pin slots are offered in substrate, and pin slots are in column distribution, and contact pin is mounted on contact pin In slot, and differential pair and return piece are connected with corresponding contact pin, and the bottom of substrate is recessed a groove body, are equipped in groove body Bluff piece is held, holds and offers through-hole on bluff piece, the plug end of contact pin passes through through-hole.

Preferably, it is offered in odd module multiple for arranging that the odd module difference of the second cabling group walks line chamber, even module On offer multiple for arrange that the even module difference of the first cabling group walks line chamber, odd module difference walks line chamber and idol module difference It walks line chamber to be interspersed, face surprise module difference is walked and is provided with the first convex block in the even module of line chamber, and the first convex block cooperates in surprise Module difference cabling is intracavitary, and positive antithesis module difference is walked and is provided with the second convex block in the odd module of line chamber, and the cooperation of the second convex block exists Even module difference cabling is intracavitary, and the back side of the first convex block offers the first groove, and the cell wall thickness of the first groove is uniform, the The back side of two convex blocks offers the second groove, and the cell wall thickness of the second groove is uniform.

Preferably, it is three that odd module difference, which walks line chamber, and walks line chamber, the 5th poor from long the 4th difference that is divided into is short to Divide to walk line chamber, the 6th difference to walk line chamber, positioned at the 4th difference walks line chamber, the 5th difference walks line chamber, the 6th difference walks the two of line chamber The second convex block is provided in the odd module of side, it is three that even module difference, which walks line chamber also, and is divided into first from length is short to Difference walks line chamber, the second difference walks line chamber, third difference walks line chamber, positioned at the first difference walks line chamber, the second difference walks line chamber, Three difference are walked and are provided with the first convex block in the even modules of line chamber two sides, and the first difference walks line chamber, the second difference walks line chamber, third It is intracavitary at least provided with an interconnecting piece that difference walks line chamber, the 4th difference walks line chamber, the 5th difference walks line chamber, the 6th difference cabling.

Preferably, multiple air pockets are offered in substrate, and air pocket is blind hole, air pocket is also in column distribution, the column where air pocket Between the column where successive pins slot, pin slots include being grounded slot and differential pair pin slots, in same row Ground connection slot separates every group of differential pair pin slots, and in line direction between differential pair pin slots neighbouring in two adjacent columns Line intersect with air pocket.

Preferably, it is provided with the first positioning column and the second positioning column being staggered in even module, is offered in odd module and the Second location hole corresponding with the second positioning column is offered in the corresponding first positioning hole of one positioning column and odd module.

Preferably, differential pair includes the first contact, first connecting portion and the first connection-peg, the first contact and first connecting portion One end connection, the other end of first connecting portion connect with the first connection-peg, and return piece further includes the second contact and the second grafting One end of head, the second contact and second connecting portion connects, and the other end of second connecting portion is connect with the second connection-peg.

Preferably, the mounting groove for installing parity mode group is offered on female end pedestal, the rear wall of mounting groove prolongs upwards It stretches to form back side panel, the first limit hole is offered on back side panel, the second limit hole, odd module are offered on the front side wall of mounting groove Alignment on the front side wall of even module is provided with wedge locating block, wedge locating block is mounted in the second limit hole, in even module The elastic hook being mounted in the first limit hole is offered, the left and right sides wall of mounting groove upwardly extends to form muscle wall.

Preferably, the bottom of substrate offers several strip grooves, and strip groove is located between successive pins slot column Center line on, be provided with multiple reinforcing props in strip groove, the bottom surface of the non-bulging shell in the bottom surface of reinforcing prop is provided in groove body Limited post holds the end of bluff piece to offer the U-shaped notch with limited post cooperation, holds to offer on bluff piece and determine with what reinforcing prop cooperated Position hole, and hold the bottom surface of the non-bulging shell in bottom surface of bluff piece.

Preferably, multiple slots are offered on the front side wall of female end pedestal, and positioning is offered on the rear wall of female end pedestal Convex block offers the U-type groove for installing female end pedestal on male end pedestal, is provided with grafting block, U on the preceding inner sidewall of U-type groove Locating slot is offered on the rear wall of type groove, grafting block is coupled in corresponding slot, and locating convex block is fitted to locating slot It is interior.

Preferably, the slotting outlet of pin slots is in linear type, and the insertion end of pin slots of the side without ground cabling is one Word slot, the insertion end that side has the pin slots of ground cabling are cross recess, cross recess by sipes and narrow slot Orthogonal Composite, sipes Width is greater than the width of narrow slot, and the width of narrow slot and length are consistent with the width of flat recess and length, and flat recess is distributed in institute In an end of the pin slots of column, and the end of the pin slots of adjacent column is opposite.

The utility model has the advantage that

1, through slot is offered on return piece, realizes impedance matching, and reduce demand of the return piece to material, reduced Production cost；

2, connection bridge shortens return flow path, effectively reduces crosstalk, and increase the structural strength of return piece；

3, parity mode group is by the first convex block and the second convex block, so that around the cabling of the first cabling group and the second cabling group The transmission medium in region becomes odd module and the first convex block and even module by air and the second convex block is formed with cavity Insulator, and the dielectric constant of air is lower than the dielectric constant of plastics, so that the dielectric constant of the transmission medium of routing region is sent out It is raw to change, to realize impedance matching；

4, the first groove is set at the back side of the first convex block, the back side of the second convex block is arranged the second groove, the first groove and The cavity that second groove is formed is air cavity, and the dielectric constant of the intracorporal air of the air chamber is lower than plastics, to transmit The dielectric constant of medium is changed, therefore the air cavity that the first groove and the second groove are formed can be used to adjust resistance It is anti-, so that parity mode group impedance matching；

5, parity mode group realizes parity mode group front and back side positioning by elastic hook and wedge locating block, and passes through Muscle wall is set and guarantees that the normotopia degree for the terminal that product is crimped on pcb board conforms to further such that parity mode group is unbiased It asks.

6, it is provided with flat recess, is plastic medium entirely around flat recess, can be used to realize matching impedance；It is provided with cross Slot, cross recess makes contact pin be locally to contact with air, and air has dielectric constant more lower than plastics, to enhance It is inserted into the electric isolution of the contact pin in cross recess；

7, every group of differential pair contact pin shares an air pocket, reduces dielectric constant by the air duct that air pocket is formed, increases Electric isolution between the strong differential pair contact pin of adjacent column, and the Difference signal pair of adjacent column is interspersed, and increases adjacent difference Point to the distance between contact pin, to reduce interfering with each other between differential pair contact pin, signal cross-talk is reduced；

8, air pocket be blind hole compared with existing through-hole, the structural strength of substrate is higher, and be provided with strip groove and Reinforcing prop can increase the area of air pocket, thus air pocket in the case where guarantee male end pedestal light low-material-consumption to greatest extent The area ratio of shared substrate is big, so that the air duct formed becomes larger, enhances the electric isolution between adjacent column contact pin, reduces Signal cross-talk.

9, it is provided with end bluff piece, so that the plug end of contact pin passes through end bluff piece, and after contact pin excision gross weight, contact pin The unplated plate of notch is then protected by end bluff piece, so that the plate of contact pin incision does not reveal in air, to ensure that slotting The service life of needle.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of parity mode group；

Fig. 2 is the configuration schematic diagram of parity mode group；

Fig. 3 is the structural schematic diagram of odd module；

Fig. 4 is the structural schematic diagram of even module；

Fig. 5 is the structural schematic diagram that even module is mounted with the first cabling group；

Fig. 6 is the structural schematic diagram that odd module is mounted with the second cabling group；

Fig. 7 is the distribution schematic diagram of the first groove；

Fig. 8 is the distribution schematic diagram of the second groove；

Fig. 9 is the structural schematic diagram of the first cabling group；

Figure 10 is the schematic front view of the first cabling group；

Figure 11 is the structural schematic diagram of the utility model；

Figure 12 is the structural schematic diagram of female end pedestal；

Figure 13 is the scheme of installation of elastic hook；

Figure 14 is the structural schematic diagram of the utility model；

Figure 15 is the structural schematic diagram one of male end pedestal；

Figure 16 is the structural schematic diagram two of male end pedestal；

Figure 17 is the distribution schematic diagram of air pocket；

Figure 18 is the distribution schematic diagram of flat recess and cross recess；

Figure 19 is the structural schematic diagram of endshield；

Figure 20 is the structural schematic diagram of cross recess；

Figure 21 is the structural schematic diagram of contact pin；

In figure: 1- idol module, 2- surprise module, 3- the first cabling group, 4- the second cabling group, the first convex block of 5-, 6- second are convex Block, 7- interconnecting piece, 8- surprise module difference walk line chamber, and 9- idol module difference walks line chamber, and the first difference of 11- walks line chamber, and 12- second is poor Divide to walk line chamber, 13- third difference walks line chamber, and the 4th difference of 21- walks line chamber, and the 5th difference of 22- walks line chamber, and the 6th difference of 23- is walked Line chamber, the first positioning column of 41-, 42- first positioning hole, the second positioning column of 43-, 44- second location hole, the first groove of 51-, 61- Second groove, 31- differential pair, 32- return piece, the first contact of 311-, 312- first connecting portion, the first connection-peg of 313-, 321- Second contact, 322- second connecting portion, 323- are connected to bridge, 324- through slot, the second connection-peg of 325-, 100- female end pedestal, 101- Mounting groove, 102- muscle wall, the first limit hole of 103-, 104- back side panel, the second limit hole of 105-, 106- elastic hook, 107- Parity mode group, 108- wedge locating block, 140- male end pedestal, 141-U type groove, 142- grafting block, 143- locating slot, 144- are inserted Slot, 145- locating convex block, 201- through-hole, the end 202- bluff piece, 203- location hole, 204- limited post, 205-U type notch, 206- slot Body, 207- plug end, 208- contact pin, 301- shell, 302- substrate, 303- pin slots, 304- air pocket, 305- reinforcing prop, 306- strip groove, 307- flat recess, 308- cross recess, 331- ground connection slot, 332- differential pair pin slots, 333- sipes, 334- narrow slot.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that the orientation or position of the instructions such as term " on ", "inner", "outside" Set relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation usually put Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

As shown in Fig. 1 ~ Figure 21, back panel connector, it includes male end pedestal 140 and female end pedestal 100, female end pedestal 100 It is plugged on male end pedestal 140, multiple slots 144 is offered on the front side wall of female end pedestal 100, multiple intervals of slot 144 are simultaneously Row's setting, after opening up slot 144, just will form a rib between two adjacent slots 144, which can guarantee female end pedestal 100 structural strength offers locating convex block 145 as shown in figure 13 on the rear wall of female end pedestal 100, as shown in figure 15, public The U-type groove 141 for installing female end pedestal 100 is offered on end group seat 140, is provided with grafting on the preceding inner sidewall of U-type groove 141 Block 142 offers locating slot 143 on the rear wall of U-type groove 141, and grafting block 142 is coupled in corresponding slot 144, grafting block 142 with slot 144 be interference fit, further, the insertion end of slot 144 is provided with the wedge-like opening of opening, thus just It is inserted into slot 144 in grafting block 142, locating convex block 145 is fitted in locating slot 143, locating convex block 145 and positioning The cooperation of slot 143 is also interference fit, consequently facilitating locating convex block 145 is inserted into locating slot 143, so that female end pedestal 100 can quickly be mounted on male end pedestal 140, and the female end pedestal 100 after installation will not shake with male end pedestal 140 It is dynamic.

In the present embodiment, not deflective parity mode group 107 is installed, as shown in Figure 1, odd even on female end pedestal 100 Mould group 107 includes that the odd module 2 being mutually close to and even module 1 are provided in even module 1 and are staggered as shown in Figure 2, Figure 3 and Figure 4 The first positioning column 41 and the second positioning column 43, offer first positioning hole 42 corresponding with the first positioning column 41 in odd module 2 And second location hole 44 corresponding with the second positioning column 43 is offered in odd module 2, it is preferred that the setting of the first positioning column 41 exists The upper right corner of even module 1, and the second positioning column 43 is multiple, and the bottom of even module 1 is arranged in, further, the second positioning Hole 44 is blind hole, and the connection of the first positioning column 41 and first positioning hole 42 is interference fit, the second positioning column 43 and the second positioning The connection in hole 44 is also interference fit, when the first positioning column 41 and first positioning hole 42 and the second positioning column 43 and the second positioning After hole 44 is worked good, odd module and even module abutting and its edge are flushed.

In the present embodiment, the second cabling group 4 is installed in the odd module 2, first is equipped in the idol module 1 and walks Line group 3 offers multiple for arranging that the odd module difference of the second cabling group 4 walks line chamber as shown in Fig. 2 ~ Fig. 6 in odd module 2 8, offer in even module 1 it is multiple for arrange that the even module difference of the first cabling group 3 walks line chamber 9, in the present embodiment, such as figure Shown in 3, it is three that odd module difference, which walks line chamber 8, and long be divided into the 4th difference from being short to and walk line chamber 21, the 5th difference cabling Chamber 22, the 6th difference walk line chamber 23, and further, the 4th difference walks the inside that line chamber 21 is located at odd module 2, the 6th difference cabling Chamber 23 is located at the outside of odd module 2, as shown in figure 4, it is three that even module difference, which walks line chamber 9 also, and is divided into from length is short to First difference walks line chamber 11, the second difference walks line chamber 12, third difference walks line chamber 13, and further, the first difference walks line chamber 11 Positioned at the inside of even module 1, third difference walks the outside that line chamber 13 is located at even module 1, and in the present embodiment, odd module difference is walked Line chamber 8 walks line chamber 9 with even module difference and is interspersed, and further, the 4th difference, which walks line chamber 21 and is located at the first difference, walks line chamber 11 and second difference walk between line chamber 12, the 5th difference walks line chamber 22 and is located at that the second difference walks line chamber 12 and third difference walks line chamber Between 13, the 6th difference walks line chamber 23 and is located at the outside that third difference walks line chamber 13.

In the present embodiment, as shown in Fig. 2 ~ Fig. 6, face surprise module difference is walked and is provided with first in the even module 1 of line chamber 8 Convex block 5, the cooperation of the first convex block 5 are walked in line chamber 8 in odd module difference, and positive antithesis module difference is walked to be arranged in the odd module 2 of line chamber 9 There is the second convex block 6, the cooperation of the second convex block 6 is walked in line chamber 9 in even module difference, passes through the first convex block 5 and odd module difference cabling The cooperation of chamber 8 and the second convex block 6 walk the cooperation of line chamber 9 with even module difference, so that odd module 2 and the even installation of module 1 are just Victory improves odd module 2 and the even mounting stability of module 1 and the structural strength of parity mode group, so that parity mode group is not variable Shape, and the material for making odd module and even module is also saved, production cost is reduced, is walked specifically, being located at the 4th difference Line chamber 21, the 5th difference walk line chamber 22, are provided with the second convex block 6, position in the odd module 2 for the two sides that the 6th difference walks line chamber 23 In being provided in the even module 1 that the first difference walks line chamber 11, the second difference walks line chamber 12, third difference walks 13 two sides of line chamber One convex block 5, by the first convex block 5 and the second convex block 6 so that the even module difference of 3 cabling of the first cabling group walk line chamber 9 with And the odd module difference of 4 cabling of the second cabling group walks line chamber 8 and forms a cavity, so that the first cabling group 3 and the second cabling The transmission medium of the cabling peripheral region of group 4 becomes odd module 2 by air and the first convex block 5 and even module 1 and second are convex Block 6 forms the insulator with cavity, and the first convex block 5, the second convex block 6 are the plastics that high molecular material is done, air Dielectric constant is lower than the dielectric constant of plastics, so that the dielectric constant of the transmission medium of routing region changes, it can be achieved that hindering Anti- matching.

In the present embodiment, the first difference walks line chamber 11, the second difference walks line chamber 12, third difference walks line chamber the 13, the 4th Difference walks line chamber 21, the 5th difference walks line chamber 22, the 6th difference is walked in line chamber 23 at least provided with an interconnecting piece 7,7 energy of interconnecting piece Enough increase the structural soundness of odd module 2 and even module 1, so that it is steady to ensure that the first cabling group 3 and the second cabling group 4 are installed It is qualitative.

In the present embodiment, as shown in Figure 7 and Figure 8, the back side of the first convex block 5 offers the first groove 51, and first The cell wall thickness of groove 51 is uniform, and the back side of the second convex block 6 offers the second groove 61, and the cell wall thickness of the second groove 61 is equal Even, the cavity that the first groove 51 and the second groove 61 are formed is air cavity, the dielectric constant ratio of the intracorporal air of the air chamber Plastics it is low, so that the dielectric constant of transmission medium is changed, therefore the sky that the first groove 51 and the second groove 61 are formed Air cavity can be used to adjust impedance, so that parity mode group impedance matching, and the setting of the first groove 51 and the second groove 61, The weight of odd even module is also reduced, consumptive material is reduced, has saved production cost.

In the present embodiment, such as Fig. 9 and Figure 10, the first cabling group 3 and the second cabling group 4 include differential pair 31 and setting Return piece 32 in 31 side of differential pair, differential pair 31 include the first contact 311, first connecting portion 312 and the first connection-peg 313, the first contact 311 is connect with one end of first connecting portion 312, the other end of first connecting portion 312 and the first connection-peg 313 Connection, further, return piece 32 include the second contact 321, second connecting portion 322 and the second connection-peg 325, the second contact 321 connect with one end of second connecting portion 322, and the other end of second connecting portion 322 is connect with the second connection-peg 325, the first touching First 311 and second contact 321 closely touched with contact pin 208, the second connection-peg 325 and the first connection-peg 313 are then mounted on back On plate, and first connecting portion 312 is then then used for for connecting the first contact 311 and the first connection-peg 313, second connecting portion 322 The second contact 321 and the second connection-peg 325 are connected, in the specific use process, first connecting portion can be changed according to actual needs 312 and second connecting portion 322 length and shape, consequently facilitating the installation of differential pair 31 and return piece 32, and guarantee that first inserts Connector 313 is aligned spacing side by side setting with the second connection-peg 325.

In the present embodiment, the second connecting portion 322 of return piece 32 offers through slot 324, and through slot 324 reduces return piece 32 area realizes impedance matching, and through slot 324 can reduce demand of the return piece 32 to consumptive material again, to save production Cost is provided with several connection bridges 323 in through slot 324, and is connected to bridge 323 and through slot 324 is separated into several segments, passes through connection bridge 323, so that return flow path is repeatedly connected to, return flow path is shortened, effectively reduces crosstalk.

In the present embodiment, it as shown in Figure 11 ~ Figure 13, is offered on female end pedestal 100 for installing parity mode group 107 Mounting groove 101, the rear wall of mounting groove 101 upwardly extend to form back side panel 104, and the first limit hole is offered on back side panel 104 103, it offers the second limit hole 105 on the front side wall of mounting groove 101, is aligned setting on the front side wall of odd module 2 and even module 1 There is wedge locating block 108, wedge locating block 108 is mounted in the second limit hole 105, is offered in even module 1 and is mounted on first Elastic hook 106 in limit hole 103, by elastic hook 106 and wedge locating block 108, so that parity mode group 107 Rear and front end is fixed so that parity mode group 107 can not front and back overturning, and parity mode group 107 shares an elastic hook 106, It is upward in the left and right sides wall of mounting groove 101 to ensure that the consistency of the contact of press plate position between parity mode group 107 Muscle wall 102 is extended to form, muscle wall 102 move left and right parity mode group 107 can not, to realize parity mode group 107 position is fixed, so that parity mode group 107 is unbiased, ensure that the normotopia degree for the terminal that product is crimped on pcb board meets It is required that.

In the present embodiment, as shown in figure 16, the bottom of shell 301 is substrate 302, and several insert is offered in substrate 302 Needle slot 303, pin slots 303 are in column distribution, and the slotting outlet of contact pin slot 303 is in linear type, the slotting outlet of linear type, can be with For fixing plug pin 208, to will not shake after contact pin grafting is good, further, as shown in figure 17, pin slots 303 include Slot 331 and differential pair pin slots 332 are grounded, grafting in slot 331 is grounded and is grounded contact pin, in differential pair pin slots 332 Grafting differential pair contact pin, the ground connection slot 331 in same row separates every group of differential pair pin slots 332, further, adjacent Ground connection slot 331 and differential pair pin slots 332 on column are staggered, so that the top of a column pin slots 303 It is to be grounded the beginning of slot 331, and the top of the two column pin slots 3 adjacent with the column is opened with differential pair pin slots 332 Begin.

In the present embodiment, as shown in figure 17, multiple air pockets 304 are offered in substrate 302, air pocket 304 is blind hole, and gas Cave 304 is also in column distribution, and the column where air pocket 304 are located between the column at 303 place of successive pins slot, and adjacent in two adjacent columns Line between close differential pair pin slots 332 in line direction intersects with air pocket 304, so that neighbouring in two adjacent columns There is the air duct formed by air pocket 304, so that the transmission of the signal of differential pair contact pin between differential pair pin slots 332 Dielectric permittivity reduces, and reduces signal cross-talk, further, the slotting outlet of air pocket 304 and pin slots 303 is rule Rectangular opening, four corners of rectangular opening are fillet, and further, the column where air pocket 304 are located at 303 institute of successive pins slot On center line between column, it is preferred that 332 face of differential pair pin slots, one air pocket 304 described in every group, every group poor Being divided to pin slots 332 is that two differential pair pin slots 332 form, i.e., the center of two differential pair pin slots 332 with it is right The line at the center for the air pocket 304 answered is equal, so that one group of differential pair pin slots 332 shares an air pocket 304, due to adjacent Ground connection slot 331 and differential pair pin slots 332 on column are staggered, so that the air pocket 304 of adjacent column also interlocks Distribution forms air duct by air pocket 304 and is become to change the transmission medium of differential pair contact pin signal by plastics Air, since air has dielectric constant more lower than plastics, the transmission medium dielectric constant of differential pair contact pin signal drops It is low, thus air duct enhance the electricity of successive pins of differential pair in the contact pin of a differential pair in a column and adjacent column every From, and since every group of differential pair pin slots 332 are all separated by ground connection slot 331, so that differential pair contact pin is another The neighbouring ground connection contact pin in side, so that being grounded contact pin provides screen effect, and the differential pair contact pin of adjacent column is interspersed, thus Increase the distance between differential pair contact pin, thus reduce it is interfering with each other between differential pair contact pin, increase, reduce train of signal It disturbs, enhances adjacent differential to the shield effectiveness of contact pin.

In the present embodiment, as shown in figure 18, the insertion end of contact pin slot 303 of the side without ground cabling is flat recess 307, other The insertion end that there is the contact pin slot 303 of ground cabling in side is cross recess 308, and the width and length of flat recess 307 are inserted with contact pin slot 303 The width of outlet is identical with length, so that being all plastics around the contact pin in insertion flat recess 307, impedance is high, Ke Yiyong Carry out matching impedance, it is cross recess 308 that side, which has the insertion end of the contact pin slot 303 of ground cabling, further, such as Figure 20, cross recess 308 by 334 Orthogonal Composite of sipes 333 and narrow slot, and the width of sipes 333 is greater than the width of narrow slot 334, and the width of narrow slot 334 It is consistent with the width of flat recess 307 and length with length, after contact pin 208 is inserted into cross recess 308, the part of contact pin 208 not with Sipes 333 contacts, so that 208 part of contact pin is to contact with air, and air has dielectric constant more lower than plastics, To enhance the electric isolution of the contact pin in insertion cross recess 308.

In the present embodiment, the contact pin after plating, after cutting off gross weight, the incision of contact pin can expose the plate of the inside, If not being protected, the service life of contact pin will affect, as shown in figure 16, the bottom of substrate 302 is recessed a groove body 206, end bluff piece 202 is installed in groove body 206, holds and offers through-hole 201 on bluff piece 202, as shown in Figure 16, Figure 21, contact pin 208 Plug end 207 pass through through-hole 201, and contact pin 208 cut off gross weight after, the unplated plate of 208 notch of contact pin then by end protect Piece protection, so that the plate of contact pin incision does not reveal in air, to ensure that the service life of contact pin 208.

In the present embodiment, as shown in figure 18, the bottom of substrate 302 offers several strip grooves 306, and strip groove 306 On center line between 303 column of successive pins slot, open up strip groove 306, can reduce substrate 302 consumptive material and Weight, so that the production cost and weight of shell 301 are reduced, and since air pocket 304 is blind hole, so that the knot of substrate 302 Structure intensity can be guaranteed to be compared with existing through-hole, and structural strength is higher, and strong in the structure for guaranteeing substrate 302 While spending, additionally it is possible to expand the area of air pocket 304, so that area ratio of the air pocket 304 in substrate is improved, further, Multiple reinforcing props 305, the bottom surface of the non-bulging shell 301 in the bottom surface of reinforcing prop 305 are provided in strip groove 306, it is preferred that reinforce The bottom surface of column 305 is flushed with the bottom surface of shell 301, and reinforcing prop 305 further increases the structural strength of substrate 302, thus So that not will lead to the deformation of shell 301 when installing contact pin, to improve the reliability and contact pin connection of male end pedestal Stability, further, reinforcing prop 305 is in row distribution, and the number of the reinforcing prop 305 in every a line is identical so that Structural strength in 302 subrange of substrate is identical, further ensure that the reliability and service life of shell 301.

In the present embodiment, limited post 204 is provided in groove body 206, the end of end bluff piece 202 offers and limited post The U-shaped notches 205 of 204 cooperations, when installation, limited post 204 is stuck in U-shaped notch 205, so that end bluff piece 202 will not It is mobile toward 204 direction of limited post.

In the present embodiment, as shown in figure 19, the location hole 203 for offering on bluff piece 202 and cooperating with reinforcing prop 305 is held, And the bottom surface of the non-bulging shell 301 in bottom surface of bluff piece 202 is held, the bottom surface of end bluff piece 202 is flushed with the bottom surface of shell 301, thus The contact area of 301 bottom surface of shell is increased, conducive to the installation of shell 301, and is determined by location hole 203 and reinforcing prop 305 Position cooperation, so that contact pin 208 is in use, holds bluff piece so that end bluff piece 202 cannot be moved all around 202 will not interfere with the position of contact pin 208, to guarantee the mounting stability of contact pin 208 and the stability of signal transmission.

In this embodiment, as shown in figure 18, flat recess 307 is distributed in an end of the contact pin slot 303 of column, and adjacent The end of the contact pin slot 303 of column is on the contrary, i.e. wherein the top of the insertion end of the contact pin slot 303 of a column is flat recess 307, and bottom end It is cross recess 308, the top of the insertion end of the contact pin slot 303 in the column adjacent with the column is cross recess 308, and bottom end is flat recess 307。

Although reference be made herein to the utility model is described in multiple explanatory embodiments of the utility model, still, It should be understood that those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations It will fall within scope and spirit disclosed in the present application.More specifically, it discloses in the application, drawings and claims In range, can building block to theme combination layout and/or layout carry out a variety of variations and modifications.In addition to building block And/or outside the modification and improvement of layout progress, to those skilled in the art, other purposes also be will be apparent.

Claims (10)

1. back panel connector, it is characterised in that: it includes male end pedestal (140) and female end pedestal (100), the female end pedestal (100) it is plugged on the male end pedestal (140), not deflective parity mode group is installed on the female end pedestal (100) (107), the parity mode group (107) includes the odd module (2) being mutually close to and even module (1), is installed on the surprise module (2) There is the second cabling group (4), the first cabling group (3) is installed on the idol module (1), the first cabling group (3) and second walk Line group (4) includes the return piece (32) of differential pair (31) and setting in the differential pair (31) side, the return piece (32) Second connecting portion (322) offer through slot (324), is provided with several connection bridges (323) in the through slot (324), and described It is connected to bridge (323) and the through slot (324) is separated into several segments, the male end pedestal (140) includes shell (301), the shell The bottom of body (301) is substrate (302), offers several pin slots (303), the pin slots on the substrate (302) It (303) is in column distribution, contact pin (208) is mounted in the pin slots (303), and the differential pair (31) and the return piece (32) it is connected with corresponding contact pin (208), the bottom of the substrate (302) is recessed a groove body (206), the groove body (206) end bluff piece (202) is installed in, is offered through-hole (201) on the end bluff piece (202), the plug end of contact pin (208) (207) through-hole (201) are passed through.

2. back panel connector according to claim 1, it is characterised in that: offer multiple be used on the surprise module (2) It arranges that the odd module difference of the second cabling group (4) is walked line chamber (8), is offered on the idol module (1) multiple for arranging first The even module difference of cabling group (3) is walked line chamber (9), and the surprise module difference walks line chamber (8) and the even module difference walks line chamber (9) it is interspersed, surprise module difference described in face is walked and is provided with the first convex block (5), institute on the even module (1) of line chamber (8) It states the first convex block (5) cooperation to walk in line chamber (8) in the odd module difference, idol module difference described in face walks the institute of line chamber (9) It states and is provided on odd module (2) the second convex block (6), the second convex block (6) cooperation is walked in line chamber (9) in even module difference, institute The back side for stating the first convex block (5) offers the first groove (51), and the cell wall thickness of first groove (51) is uniform, described The back side of second convex block (6) offers the second groove (61), and the cell wall thickness of second groove (61) is uniform.

3. back panel connector according to claim 2, it is characterised in that: it is three that the surprise module difference, which walks line chamber (8), And long it is divided into that the 4th difference walks line chamber (21), the 5th difference walks line chamber (22), the 6th difference walks line chamber (23), position from being short to In the 4th difference walks line chamber (21), the 5th difference walks line chamber (22), the 6th difference walk line chamber (23) two sides odd module (2) it is provided on the second convex block (6), the idol module difference walks line chamber (9) also as three, and long is divided into the from being short to One difference walks line chamber (11), the second difference walks line chamber (12), third difference walks line chamber (13), walks line chamber positioned at first difference (11), the second difference walks line chamber (12), third difference is walked and is provided with the first convex block in the even module (1) of line chamber (13) two sides (5), first difference walks line chamber (11), the second difference walks line chamber (12), third difference walks line chamber (13), the 4th difference cabling Chamber (21), the 5th difference walk line chamber (22), the 6th difference is walked in line chamber (23) at least provided with an interconnecting piece (7).

4. back panel connector according to claim 2, it is characterised in that: offer multiple air pockets on the substrate (302) (304), and the air pocket (304) is blind hole, and the air pocket (304) is also in column distribution, and the column where the air pocket (304) are located at Between column where the adjacent pin slots (303), the pin slots (303) include ground connection slot (331) and differential pair Pin slots (332), the ground connection slot (331) in same row separate differential pair pin slots (332) described in every group, and Line in two adjacent columns between neighbouring differential pair pin slots (332) in line direction intersects with the air pocket (304).

5. back panel connector according to claim 4, it is characterised in that: be provided with the to be staggered on idol module (1) One positioning column (41) and the second positioning column (43) offer on surprise module (2) corresponding with the first positioning column (41) Second location hole corresponding with the second positioning column (43) is offered on first positioning hole (42) and the odd module (2) (44).

6. back panel connector according to claim 1 or 5, it is characterised in that: the differential pair (31) includes the first contact (311), first connecting portion (312) and the first connection-peg (313), first contact (311) and the first connecting portion (312) One end connection, the other end of the first connecting portion (312) connect with first connection-peg (313), the return piece It (32) further include the second contact (321) and the second connection-peg (325), second contact (321) and the second connecting portion (322) one end connection, the other end of the second connecting portion (322) are connect with second connection-peg (325).

7. back panel connector according to claim 6, it is characterised in that: offer and be used on the female end pedestal (100) The mounting groove (101) of the parity mode group (107) is installed, the rear wall of the mounting groove (101) upwardly extends to form back side panel (104), it offers the first limit hole (103) on the back side panel (104), is offered on the front side wall of the mounting groove (101) Alignment is provided with wedge locating block (108) on the front side wall of second limit hole (105), the surprise module (2) and even module (1), The wedge locating block (108) is mounted in second limit hole (105), offers on the idol module (1) and is mounted on institute State the elastic hook (106) in the first limit hole (103), the left and right sides wall of the mounting groove (101) upwardly extend to be formed every Muscle wall (102).

8. back panel connector according to claim 7, it is characterised in that: the bottom of the substrate (302) offers several Strip groove (306), and the strip groove (306) is on the center line between adjacent pin slots (303) column, institute It states and is provided on strip groove (306) multiple reinforcing props (305), the non-bulging shell (301) in the bottom surface of the reinforcing prop (305) Bottom surface, is provided with limited post (204) in the groove body (206), the end of the end bluff piece (202) offers and the limit The U-shaped notch (205) of column (204) cooperation offers the positioning with the reinforcing prop (305) cooperation on the end bluff piece (202) Hole (203), and the bottom surface of the non-bulging shell (301) in bottom surface of the end bluff piece (202).

9. back panel connector according to claim 7, it is characterised in that: opened on the front side wall of the female end pedestal (100) Equipped with multiple slots (144), offered locating convex block (145) on the rear wall of the female end pedestal (100), the male end pedestal (140) U-type groove (141) for installing female end pedestal (100) is offered on, is arranged on the preceding inner sidewall of the U-type groove (141) Have grafting block (142), is offered locating slot (143) on the rear wall of the U-type groove (141), grafting block (142) the cooperation peace In the corresponding slot (144) of dress, the locating convex block (145) is fitted in the locating slot (143).

10. back panel connector according to claim 7, it is characterised in that: the slotting outlet of the pin slots (303) is in Linear type, the insertion end of the pin slots (303) of the side without ground cabling are flat recess (307), and side has the institute of ground cabling The insertion end for stating pin slots (303) is cross recess (308), the cross recess (308) by sipes (333) and narrow slot (334) just Combination is handed over, the width of the sipes (333) is greater than the width of the narrow slot (334), and the width and length of the narrow slot (334) Consistent with the width of the flat recess (307) and length, the flat recess (307) is distributed in the pin slots of column (303) a end, and the end of the pin slots (303) of adjacent column is opposite.